<script setup lang="ts">
const state = reactive({});
const goBack = () => {

};
</script>
<template>
  <el-page-header @back="goBack">
    <template #content>
      <span class="text-large font-600 mr-3">two-level</span>
    </template>
  </el-page-header>
</template>
<style lang="scss" scoped>
</style>
